section.section
  header.section__header
    h2.section__title Events
  div.section__content
    p message.js 从 0.3.0 开始提供了 9 事件。通过 message.js 在 0.3.0 新添加的 $on() 方法监听。
  include created
  include mounted
  include beforeOpen
  include opened
  include beforeOpen
  include opened
  include closed
  include beforeDestroy
  include destroyed
